<template>
    <div class="icons">
      <swiper>
        <swiper-slide v-for="(page,index) of pages" :key="index">
          <div class="icon" v-for="item in page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src='item.imgUrl'/>
          </div>
          <p class="icon-desc">{{item.desc}}</p>
          </div>
        </swiper-slide>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  data () {
    return {
      iconList: [{
        id: '0001',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
        desc: '景点门票'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1711/df/86cbcfc533330d02.png',
        desc: '滑雪季节'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1710/a6/83f636bd75ae6302.png',
        desc: '泡温泉'
      }, {
        id: '0004',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
        desc: '动植物园'
      }, {
        id: '0005',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
        desc: '一日游'
      }, {
        id: '0006',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1711/df/86cbcfc533330d02.png',
        desc: '必游榜单'
      }, {
        id: '0007',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1710/a6/83f636bd75ae6302.png',
        desc: '自然风光'
      }, {
        id: '0008',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
        desc: '全部'
      }, {
        id: '0009',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1711/df/86cbcfc533330d02.png',
        desc: '滑雪季节'
      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-container
    overflow : hidden
    height: 0
    padding-bottom:50%
  .icon
      height: 0
      position: relative
      overflow: hidden
      float: left
      width: 25%
      height: 0
      padding-bottom:25%
    .icon-img
        position: absolute
        left: 0
        right: 0
        top: 0
        bottom: .44rem
        box-sizing: border-box
        margin: .1rem
      .icon-img-content
          display: block
          margin: 0 auto
          height:100%
    .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        text-align : center
        height: .44rem
        line-height: .44rem
        color: $darkTestColor
        ellipsis()
</style>
